Assessing risk factors, mortality, and healthcare utilization associated with Clostridioides difficile infection in four Latin American countries Holly Yu; Nestor Flaster; Adrian Lopez Casanello; Daniel Curcio;

Risk factors for neurosyphilis in HIV patients: A retrospective cohort study Beatriz Arns; Tarsila Vieceli; Eduardo Gomes; Mariana Horn Scherer; Luisa Nakashima; Maria Luisa Santos; Ronara Blos Hepp; Fernanda Greinert; Maria Helena Rigatto;

Survival analysis over a 20-year period of a Brazilian cohort of blood donors coinfected HIV-HCV Hélio Ranes de Menezes Filho; Giuliano Grandi; Ludimila Paula Vaz Cardoso; Juan Felipe Galvão da Silva; Soraia Mafra Machado; Cesar de Almeida-Neto; Ester Cerdeira Sabino; Maria Cássia Mendes-Corrêa;